KIRSKE DAVID

PrivateCIK: 1276750
Location

BOSTON, MA

KIRSKE DAVID (Chief Financial Officer) received a stock award from X4 PHARMACEUTICALS, INC

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderKIRSKE DAVIDCIK 1276750
IssuerX4 PHARMACEUTICALS, INCCIK 1501697
Officer· Chief Financial Officer
Since Aug 2025
+1.62M
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
3
Total transactions
1.62M acquired
Non-Derivative Transactions1

Common Stock

Direct
A · Award

Shares

+193.25K

Price / share

Trade value

% of position

New position
8/14/2025
0.00193.25K
Total

Net shares

+193.25K

Net value

$0.00

Derivative Transactions2

Stock Option (right to buy)

Direct
A · Award
Converts to

Common Stock

1.07M shares

Shares

+1.07M

Strike price

1.42

Held after

1.07M

Exercisable

8/12/2025

Stock Option (right to buy)

Direct
A · Award
Converts to

Common Stock

352.80K shares

Shares

+352.80K

Strike price

3.14

Held after

352.80K

Exercisable

8/14/2025
KIRSKE DAVID — Insider Transaction (Form 4) Filed Aug 14, 2025 | Finecho